Global Patent Index - EP 0654696 A1

EP 0654696 A1 19950524 - Optical article containing a polymer that exhibits nonlinear second order polarization susceptibility.

Title (en)

Optical article containing a polymer that exhibits nonlinear second order polarization susceptibility.

Title (de)

Optischer Gegenstand, enthaltend ein Polymer mit nichtlinearer Polarisationssuszeptibilität zweiter Ordnung.

Title (fr)

Article optique contenant un polymère ayant un susceptibilité de polarisation non-linéaire de second ordre.

Publication

EP 0654696 A1 19950524 (EN)

Application

EP 94420307 A 19941109

Priority

US 15480493 A 19931118

Abstract (en)

An optical article exhibits effects attributable to the nonlinear second order polarizability of electromagnetic radiation and comprises a polymer containing within its repeating units polar aligned noncentrosymmetric molecular dipoles having an electron donor moiety linked through a conjugated π bonding system to an electron acceptor moiety to permit oscillation of the molecular dipoles between a ground state exhibiting a first dipole moment and an excited state exhibiting a different dipole moment, characterized in that the molecular dipoles include as an acceptor moiety a vinyl group geminally substituted by two strong electron withdrawing groups, at least one of which is a perfluoroalkylsulfonyl moiety.

IPC 1-7

G02F 1/35; C08F 20/36

IPC 8 full level

C09K 3/00 (2006.01); G02F 1/35 (2006.01); G02F 1/355 (2006.01); G02F 1/361 (2006.01)

CPC (source: EP US)

G02F 1/3613 (2013.01 - EP US); G02F 1/3617 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

US 5381507 A 19950110; EP 0654696 A1 19950524; JP H07191353 A 19950728

DOCDB simple family (application)

US 15480493 A 19931118; EP 94420307 A 19941109; JP 28189494 A 19941116